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Merge pull request #273 from tschaub/permalink

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Make permalink destruction safe (r: @ahocevar).
This commit is contained in:
Tim Schaub
2012-03-03 14:07:54 -08:00
parent ac884a4de7 9a3b723ba4
commit bb76893abb
2 changed files with 77 additions and 8 deletions
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9
lib/OpenLayers/Control/Permalink.js
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@@ -94,12 +94,13 @@ OpenLayers.Control.Permalink = OpenLayers.Class(OpenLayers.Control, {
* APIMethod: destroy
*/
destroy: function() {
if (this.element.parentNode == this.div) {
if (this.element && this.element.parentNode == this.div) {
this.div.removeChild(this.element);
this.element = null;
}
if (this.map) {
this.map.events.unregister('moveend', this, this.updateLink);
}
this.element = null;
this.map.events.unregister('moveend', this, this.updateLink);
OpenLayers.Control.prototype.destroy.apply(this, arguments);
},